            &\specialcell{Different\\promises}&\specialcell{Rally\\credibility}&\specialcell{Radio\\credibility}\\
 & (1) & (2) & (3) \\ \midrule
Incumbent   &        0.73&        0.19&        0.26\\
Challenger  &        0.70&        0.11&        0.13\\
Other       &        0.67&        0.16&        0.15\\
